JGS1俗称远紫外光学石英玻璃，其应用光谱波段范围在0.185-2.5pm.光学玻璃以二氧化硅为主要成分，具有耐高温. 膨胀系数低?机械强度高。化学性能好等特点,用于制造对各种波段透过有特殊要求的棱镜.透镜,窗口和反射镜 等.

      JGS1 is commonly known as far ultraviolet optical quartz glass, its application spectral range is 0.185-2.5 y m. optical glass is mainly composed of silica, which has high temperarure resistance, low expansion coefficient and high mechanical strength. It can be used to make prism, lens, window and reflector with special requirements for various wave band transmission.